Expansion module



FIG. 1 is a front, top and left side perspective view of an expansion module showing our new design according to a first embodiment;

FIG. 2 is a rear, bottom and right side perspective view thereof;

FIG. 3 is a rear, bottom and left side perspective view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a top plan view thereof; and

FIG. 9 is a bottom plan view thereof.

The broken lines in the drawings showing portions of the expansion module are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for an expansion module, as shown and described. 